191-4] Setchell: The Scinaia Assemblage 123 



Gloiophloea J. Ag. 



A. Monoieae — 



1. G. Scinaioides J. Ag. 



2. G. iDidulata (Mont.) comb. nov. 



3. G. Okamurai sp. nov. 



4. G. Halliae sp. nov. 



B. Dioicae — 



5. G. cayensis sp. nov. 



6. G. confusa sp. nov. 



C. Dubia— 



7. G.(?) articulata Weber v;in Bosse 



Pseudoscinaia gen. nov. 



1. P. Snyderae sp. nov. 



2. P. australis sp. nov. 



. VI. kp:y to genera and species 



^. Gouimoblasts radiating, forming a single unlobed sporogenous mass, all free 



a. Utricles present forming the outer layer even in the adult, colored cells 



fewer or even wanting Scinaia. 



1. Fronds cylindrical continuous Ci/lindrieae. 



X. Adult utricles strongly convex on the outer end 1. 8. fiircellata. 



XX. Adult utricles flattened on the outer end. 



*. 7-8 dichotomies, utricles square or slightly flattened radially, 



21-25^ (T) X 20-2V (R) 2. 8. Johnstoniae. 



**. 9-11 dichotomies, utricles elongated radially, 8-12fi (T) x 30/i 

 (R) 3. S. japonica. 



2. Fronds cylindrical, more or less constricted Constrictae. 



X. Constrictions regular and frequent, utricles not palisade-like. 

 *. Segments long, cylindrical. 



s. Utricles 20-22^ (T) x SS/j. (R) 7. S. moniliformis. 



zz. Utricles 10-15^ (T) x 17-20^ (R) 11. 8. articulata. 



^". Segments short, globular to obovate 8. 8. hormoides. 



XX. Constrictions less regular and frequent, utricles palisade-like. 



*. Utricles shorter, 5-8fi (T) x 20-22fi (R) 9. -S. carnosa. 



**. Utricles more elongated, 6-9^^ (T) x 28-35/* (R) 



10. 8. 8aliconiioides. 



3. Fronds complanate to much flattened Complanatac. 



X. More slender, cystocarps scattered 4. 8. complanata. 



XX. Broader, cystocarps more or less marginal. 



*. Cystocarps mostly marginal, utricles 30-35^ (T) x 20-30^:1 (R).... 



5. 8. latifrons. 



**. Cystocarps partly marginal, utricles 16-20^ (T) x 13-17ju (R) 

 6. 8. Cottonii. 



b. Utricles present, more or less conspicuous when young, but obscured by a 



later growth of short moniliforni anticlinal filaments of colored cells 

 Gloiophloea. 



